P = {3, 9, 11, 13} and Q = {3, 7, 9, 15} are subset…

P = {3, 9, 11, 13} and Q = {3, 7, 9, 15} are subset of the universal set ξ = {1, 3, 7, 9, 11, 13, 15} find P^I ∩ Q^I

Correct Answer: Option C

Explanation

P^I = {1, 7, 15} ; Q^I = {1, 13, 11}
P^I ∩ Q^I = {1}